{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T05:40:28Z","timestamp":1777354828528,"version":"3.51.4"},"reference-count":39,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2012,11,26]],"date-time":"2012-11-26T00:00:00Z","timestamp":1353888000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Fish Biology"],"published-print":{"date-parts":[[2013,1]]},"abstract":"<jats:p>Offspring of a highly inbred gynogenetic line of <jats:italic>Oreochromis aureus<\/jats:italic> displayed 12\u2010fold increase in twinning rate compared to the outbred population. Asymmetric conjoined twins, which consist of a normal embryo attached to a malformed\u2010atrophic twin, were frequently encountered in both gynogenetic (90\u00b77%) and outbred (38\u00b72%) embryos. The monozygotic origin of these twins was determined using five microsatellite markers. Progeny of heterozygous parents for the microsatellite UNH159 were separated into sub\u2010sets of twins and normal full\u2010sibs. Consistent with previous reports, the normal embryo sub\u2010set exhibited elimination of both types of homozygotes for the UNH159 genetic marker at 2\u20138 days after fertilization. Unexpectedly, this elimination was less frequent in twins. The UNH159 marker as well as RNA\u2010binding motif protein, X\u2010linked (<jats:italic>rbmx<\/jats:italic>), SRY\u2010box containing gene 3 (<jats:italic>sox3<\/jats:italic>) and alpha\u2010thalassemia\/mental retardation syndrome X\u2010linked (<jats:italic>atrx<\/jats:italic>) genes were mapped to linkage group 2. These gene orthologues are all located on the mammalian X chromosome and <jats:italic>atrx<\/jats:italic> is necessary for the X\u2010chromosome inactivation.<\/jats:p>","DOI":"10.1111\/j.1095-8649.2012.03474.x","type":"journal-article","created":{"date-parts":[[2012,11,26]],"date-time":"2012-11-26T15:46:09Z","timestamp":1353944769000},"page":"42-53","source":"Crossref","is-referenced-by-count":8,"title":["A deleterious effect associated with UNH159 is attenuated in twin embryos of an inbred line of blue tilapia <i>Oreochromis aureus<\/i>"],"prefix":"10.1111","volume":"82","author":[{"given":"A.","family":"Shirak","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Y.","family":"Palti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O.","family":"Bern","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T. 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